电子束焊接具有显著的小孔效应，这一特点决定着电子束焊接过程和普通熔化焊不同，并对其焊接应力和变形产生重要影响。
Electron beam welding has significant keyhole effect, it induces the electron beam welding different from general melting, and also important influence on its welding stresses and distortion.
雅骏发明了电子束选择性烧结避免使用激光熔化粉末成层。
Arcam invented EBeam selective sintering to avoid using lasers to fuse powder into layers.
雅骏发明了电子束选择性烧结避免使用激光熔化粉末成层。
Arcam invented EBeam selective sintering to avoid using lasers to fuse powder into layers.
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